Stealing the words
There’s no problem in stealing some words from other people if you’re the sort of person who can’t seem to find the right phrases to express oneself. If someone else has said it better previously, why not make use of their communication abilities to assist yourself?
Of course, you should pick someone who isn’t quite as well-known as Batman. If your soon-to-be-ex finds out that you’re using Bruce Wayne to get out of the relationship gracefully, you’ll be dumped before you can even become the dumper…